<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <div id="main" style="width:800px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
import echarts from 'echarts'
import _ from 'lodash'

export default {
  data () {
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#e9eef3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '3%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [{
          boundaryGap: false
        }],
        yAxis: [{
          type: 'value'
        }]
      }
    }
  },
  async mounted () {
    const myChart = echarts.init(document.getElementById('main'))
    const { data } = await this.$http.get('reports/type/1')
    if (data.meta.status !== 200) return this.$message.error(data.meta.msg)
    // const newOption = Object.assign(data.data,this.options)
    const newOption = _.merge(data.data, this.options)
    myChart.setOption(newOption)
  }
}
</script>

<style lang="scss" scoped>
</style>
